Theoretical and experimental investigation of strongly localized plasmons on triangular metal wedges for subwavelength waveguiding

D. F.P. Pile; T. Ogawa; D. K. Gramotnev; T. Okamoto; M. Haraguchi; M. Fukui; S. Matsuo

doi:10.1063/1.1991990

Theoretical and experimental investigation of strongly localized plasmons on triangular metal wedges for subwavelength waveguiding

D. F.P. Pile, T. Ogawa, D. K. Gramotnev, T. Okamoto, M. Haraguchi, M. Fukui, S. Matsuo

研究成果: Article › 査読

252 被引用数 (Scopus)

抄録

We report numerical analysis and experimental observation of strongly localized plasmons guided by a triangular metal wedge. Dispersion and dissipation of such wedge plasmons are analyzed using the finite-difference time-domain algorithm. Experimental observation is conducted by the end-fire excitation and near-field detection of the predicted plasmons on a 40° silver nanowedge. Good agreement with the theoretically predicted propagation distances is demonstrated. Differences between the theoretical and experimental field distribution are explained by insufficient resolution of the near-field optical probe.

本文言語	English
論文番号	061106
ジャーナル	Applied Physics Letters
巻	87
号	6
DOI	https://doi.org/10.1063/1.1991990
出版ステータス	Published - 2005
外部発表	はい

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

文献へのアクセス

10.1063/1.1991990

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引用スタイル

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abstract = "We report numerical analysis and experimental observation of strongly localized plasmons guided by a triangular metal wedge. Dispersion and dissipation of such wedge plasmons are analyzed using the finite-difference time-domain algorithm. Experimental observation is conducted by the end-fire excitation and near-field detection of the predicted plasmons on a 40° silver nanowedge. Good agreement with the theoretically predicted propagation distances is demonstrated. Differences between the theoretical and experimental field distribution are explained by insufficient resolution of the near-field optical probe.",

author = "Pile, {D. F.P.} and T. Ogawa and Gramotnev, {D. K.} and T. Okamoto and M. Haraguchi and M. Fukui and S. Matsuo",

note = "Funding Information: The authors gratefully acknowledge support from the Japan Society for the Promotion of Science and the High Performance Computing Division at the Queensland University of Technology. Copyright: Copyright 2010 Elsevier B.V., All rights reserved.",

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AU - Pile, D. F.P.

AU - Ogawa, T.

AU - Gramotnev, D. K.

AU - Okamoto, T.

AU - Haraguchi, M.

AU - Fukui, M.

AU - Matsuo, S.

N1 - Funding Information: The authors gratefully acknowledge support from the Japan Society for the Promotion of Science and the High Performance Computing Division at the Queensland University of Technology. Copyright: Copyright 2010 Elsevier B.V., All rights reserved.

PY - 2005

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AB - We report numerical analysis and experimental observation of strongly localized plasmons guided by a triangular metal wedge. Dispersion and dissipation of such wedge plasmons are analyzed using the finite-difference time-domain algorithm. Experimental observation is conducted by the end-fire excitation and near-field detection of the predicted plasmons on a 40° silver nanowedge. Good agreement with the theoretically predicted propagation distances is demonstrated. Differences between the theoretical and experimental field distribution are explained by insufficient resolution of the near-field optical probe.

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